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-rw-r--r--miext/rootless/accel/rlAccel.c97
-rw-r--r--miext/rootless/accel/rlAccel.h2
2 files changed, 99 insertions, 0 deletions
diff --git a/miext/rootless/accel/rlAccel.c b/miext/rootless/accel/rlAccel.c
new file mode 100644
index 000000000..7dedd8dbc
--- /dev/null
+++ b/miext/rootless/accel/rlAccel.c
@@ -0,0 +1,97 @@
+/*
+ * Support for accelerated rootless code
+ */
+/*
+ * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+/* $XdotOrg: $ */
+
+#include "rootless.h"
+#include "rlAccel.h"
+
+typedef struct _rlAccelScreenRec {
+ CreateGCProcPtr CreateGC;
+} rlAccelScreenRec, *rlAccelScreenPtr;
+
+static int rlAccelScreenPrivateIndex = -1;
+
+#define RLACCELREC(pScreen) \
+ ((rlAccelScreenRec *)(pScreen)->devPrivates[rlAccelScreenPrivateIndex].ptr)
+
+
+/*
+ * Screen function to create a graphics context
+ */
+static Bool
+rlCreateGC(GCPtr pGC)
+{
+ ScreenPtr pScreen = pGC->pScreen;
+ rlAccelScreenRec *s = RLACCELREC(pScreen);
+ Bool result;
+
+ // Unwrap and call
+ pScreen->CreateGC = s->CreateGC;
+ result = s->CreateGC(pGC);
+
+ // Accelerated GC ops replace some ops
+ pGC->ops->FillSpans = rlFillSpans;
+ pGC->ops->CopyArea = rlCopyArea;
+ pGC->ops->PolyFillRect = rlPolyFillRect;
+ pGC->ops->ImageGlyphBlt = rlImageGlyphBlt;
+
+ // Rewrap
+ s->CreateGC = pScreen->CreateGC;
+ pScreen->CreateGC = rlCreateGC;
+
+ return result;
+}
+
+
+/*
+ * RootlessAccelInit
+ * Called by the rootless implementation to initialize accelerated
+ * rootless drawing.
+ */
+Bool
+RootlessAccelInit(ScreenPtr pScreen)
+{
+ static unsigned long rlAccelGeneration = 0;
+ rlAccelScreenRec *s;
+
+ if (rlAccelGeneration != serverGeneration) {
+ rlAccelScreenPrivateIndex = AllocateScreenPrivateIndex();
+ if (rlAccelScreenPrivateIndex == -1) return FALSE;
+ }
+
+ s = xalloc(sizeof(rlAccelScreenRec));
+ if (!s) return FALSE;
+ RLACCELREC(pScreen) = s;
+
+ // Wrap the one screen function we need
+ s->CreateGC = pScreen->CreateGC;
+ pScreen->CreateGC = rlCreateGC;
+
+ return TRUE;
+}
diff --git a/miext/rootless/accel/rlAccel.h b/miext/rootless/accel/rlAccel.h
index dab0c6f46..b1488bdef 100644
--- a/miext/rootless/accel/rlAccel.h
+++ b/miext/rootless/accel/rlAccel.h
@@ -28,6 +28,8 @@
*/
/* $XFree86: xc/programs/Xserver/miext/rootless/rootlessCommon.c,v 1.4 2003/10/18 00:00:34 torrey Exp $ */
+#include "fb.h"
+
/*
* rlBlt.c
*/